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Finding the Fourth Proportional to 11,009.49, 16,519.08 and 4,448.49

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Solution

The fourth proportional to 11,009.49, 16,519.08 and 4,448.49 is: 6,674.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.49 : 16,519.08 = 4,448.49 : x
  2. Step 2: Convert to fraction form
    11,009.49/16,519.08 = 4,448.49/x
  3. Step 3: Cross multiply
    11,009.49x = 16,519.08 × 4,448.49
  4. Step 4: Simplify right side
    11,009.49x = 73,484,962.19
  5. Step 5: Solve for x
    x = 73,484,962.19/11,009.49
  6. Step 6: Final answer
    x = 6,674.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.